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Finding the Fourth Proportional to 375,497.07, 563,318.11 and 122,709.38

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Solution

The fourth proportional to 375,497.07, 563,318.11 and 122,709.38 is: 184,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,497.07 : 563,318.11 = 122,709.38 : x
  2. Step 2: Convert to fraction form
    375,497.07/563,318.11 = 122,709.38/x
  3. Step 3: Cross multiply
    375,497.07x = 563,318.11 × 122,709.38
  4. Step 4: Simplify right side
    375,497.07x = 69,124,412,897.51
  5. Step 5: Solve for x
    x = 69,124,412,897.51/375,497.07
  6. Step 6: Final answer
    x = 184,087.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.